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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-05-06 21:50:03 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-05-06 21:50:03 +0000 |
| commit | ec123d1f84d81758680482513704ac335282f0e7 (patch) | |
| tree | 23f0f6da1acf59fb1fd9a7d3436a260396f6eb83 /gcc/ifcvt.c | |
| parent | cf3e8506150ca7d1489cb480fe9570d911fd388d (diff) | |
| download | gcc-ec123d1f84d81758680482513704ac335282f0e7.tar.gz | |
* ifcvt.c (noce_process_if_block): Don't use an insn_b from
test_bb if a or b uses x.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33738 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 25558f33112..9b66d59277b 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -1079,7 +1079,8 @@ noce_process_if_block (test_bb, then_bb, else_bb, join_bb) || (set_b = single_set (insn_b)) == NULL_RTX || ! rtx_equal_p (x, SET_DEST (set_b)) || reg_mentioned_p (x, cond) - || reg_mentioned_p (x, a)) + || reg_mentioned_p (x, a) + || reg_mentioned_p (x, SET_SRC (set_b))) insn_b = set_b = NULL_RTX; } b = (set_b ? SET_SRC (set_b) : x); |